James Duncan, PHD
Counselor · Upper Marlboro, MD
James Duncan, PHD is a counselor with a practice address in Upper Marlboro, Maryland, and NPI 1134746134, issued on Jun 25, 2020. Check the license with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James Duncan
- Credential
- PHD
- Primary taxonomy
- Counselor 101Y00000X
- Practice location
- 3209 Hunting Horn LN, Upper Marlboro, MD 20774
- Phone
- (240) 353-6548
- Enumerated
- Jun 25, 2020
- Record last updated
- Jun 25, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest counselor records → All 1,021 in Maryland → Look up another NPI →
Verify James Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James Duncan among 1,021 counselor records in Maryland
James Duncan, PHD is one of 1,021 counselor records with a practice address in Maryland. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 48% of them.
- NPI issued2020 · 48% of these records are older, 46% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2020 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Counselor providers in Maryland
There are 1,021 counselor records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,021 in Maryland → Every provider in Upper Marlboro → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Elaine Anderson, PHDLargo, MD 207741558901306
- Reina ArevaloLargo, MD 207741831822568
- Joelle BrikaUpper Marlboro, MD 207741326620931
- Curtis ClairLargo, MD 207741104306414
- Weptanomah Davis, PHD, LGPCLargo, MD 207741023730603
- Stephanie LeachLargo, MD 207741205428315
- Michael McLin, LGPC, NCC HHS, MAUpper Marlboro, MD 207741437661675
- Karlice Moss-Teams, LCPCLargo, MD 207741144571068
Common questions
What is James Duncan, PHD's NPI number?
James Duncan, PHD's National Provider Identifier (NPI) is 1134746134, issued on Jun 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is James Duncan, PHD located?
The NPPES record lists a practice address at 3209 Hunting Horn LN, Upper Marlboro, MD, 20774. Phone: (240) 353-6548. Providers update this record themselves, so call before visiting.
How can I verify James Duncan, PHD's license?
Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.